Add --summary option

lib/brakeman.rb

@@ -35,6 +35,8 @@ module Brakeman
   #  * :safe_methods - array of methods to consider safe
   #  * :skip_libs - do not process lib/ directory (default: false)
   #  * :skip_checks - checks not to run (run all if not specified)
+  #  * :summary_only - only output summary section of report 
+  #                    (does not apply to tabs format)
   #
   #Alternatively, just supply a path as a string.
   def self.run options

lib/brakeman/options.rb

@@ -146,6 +146,10 @@ def get_options args, destructive = false
           options[:collapse_mass_assignment] = false
         end
 
+        opts.on "--summary", "Only output summary of warnings" do
+          options[:summary_only] = true
+        end
+
         opts.on "-w", 
           "--confidence-level LEVEL", 
           ["1", "2", "3"], 

lib/brakeman/report.rb

@@ -280,6 +280,11 @@ def to_html
     generate_overview(true).to_html << "<br/>" <<
     generate_warning_overview.to_html
 
+    #Return early if only summarizing
+    if tracker.options[:summary_only]
+      return out
+    end
+
     if tracker.options[:report_routes] or tracker.options[:debug]
       out << "<h2>Controllers</h2>" <<
       generate_controllers.to_html
@@ -317,6 +322,11 @@ def to_s
     generate_overview.to_s << "\n" <<
     generate_warning_overview.to_s << "\n"
 
+    #Return output early if only summarizing
+    if tracker.options[:summary_only]
+      return out
+    end
+
     if tracker.options[:report_routes] or tracker.options[:debug]
       out << "+CONTROLLERS+\n" <<
       generate_controllers.to_s << "\n"
@@ -352,6 +362,11 @@ def to_csv
     generate_overview.to_csv << "\n" <<
     generate_warning_overview.to_csv << "\n"
 
+    #Return output early if only summarizing
+    if tracker.options[:summary_only]
+      return out
+    end
+
     if tracker.options[:report_routes] or tracker.options[:debug]
       out << "CONTROLLERS\n" <<
       generate_controllers.to_csv << "\n"